diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4675ba7..95c4ee7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,7 +31,8 @@ Several breaking changes were made between 0.9 and 0.10, but changes should be s
 * When the hostname feature is disabled or hostname cannot be fetched, `127.0.0.1` is used instead of `localhost` as EHLO parameter (for better RFC compliance and mail server compatibility)
 * The `new` method of `ClientId` is deprecated
 * Rename `serde-impls` feature to `serde`
-
+* The `SendmailTransport` now uses the `sendmail` command in current `PATH` by default instead of
+  `/usr/bin/sendmail`.
 
 #### Bug Fixes
 
diff --git a/src/transport/sendmail/mod.rs b/src/transport/sendmail/mod.rs
index d2ce559..1c35b35 100644
--- a/src/transport/sendmail/mod.rs
+++ b/src/transport/sendmail/mod.rs
@@ -92,7 +92,7 @@ use std::{
 
 mod error;
 
-const DEFAULT_SENDMAIL: &str = "/usr/sbin/sendmail";
+const DEFAULT_SENDMAIL: &str = "sendmail";
 
 /// Sends emails using the `sendmail` command
 #[derive(Debug, Clone)]
@@ -113,7 +113,10 @@ pub struct AsyncSendmailTransport<E: Executor> {
 }
 
 impl SendmailTransport {
-    /// Creates a new transport with the default `/usr/sbin/sendmail` command
+    /// Creates a new transport with the `sendmail` command
+    ///
+    /// Note: This uses the `sendmail` command in the current `PATH`. To use another command,
+    /// use [SendmailTransport::new_with_command].
     pub fn new() -> SendmailTransport {
         SendmailTransport {
             command: DEFAULT_SENDMAIL.into(),
@@ -147,7 +150,10 @@ impl<E> AsyncSendmailTransport<E>
 where
     E: Executor,
 {
-    /// Creates a new transport with the default `/usr/sbin/sendmail` command
+    /// Creates a new transport with the `sendmail` command
+    ///
+    /// Note: This uses the `sendmail` command in the current `PATH`. To use another command,
+    /// use [AsyncSendmailTransport::new_with_command].
     pub fn new() -> Self {
         Self {
             inner: SendmailTransport::new(),